ordinal.c

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{
  IOleControlSite* lpCSite = NULL;
  HRESULT hRet = E_FAIL;

  TRACE("(%p,%p)\n", lpUnknown, lppDisp);
  if (lpUnknown)
  {
    hRet = IUnknown_QueryInterface(lpUnknown, &IID_IOleControlSite,
                                   (void**)&lpCSite);
    if (SUCCEEDED(hRet) && lpCSite)
    {
      hRet = IOleControlSite_GetExtendedControl(lpCSite, lppDisp);
      IOleControlSite_Release(lpCSite);
    }
  }
  return hRet;
}

/*************************************************************************
 * @    [SHLWAPI.190]
 */
HRESULT WINAPI IUnknown_HandleIRestrict(LPUNKNOWN lpUnknown, PVOID lpArg1,
                                        PVOID lpArg2, PVOID lpArg3, PVOID lpArg4)
{
  /* FIXME: {D12F26B2-D90A-11D0-830D-00AA005B4383} - What object does this represent? */
  static const DWORD service_id[] = { 0xd12f26b2, 0x11d0d90a, 0xaa000d83, 0x83435b00 };
  /* FIXME: {D12F26B1-D90A-11D0-830D-00AA005B4383} - Also Unknown/undocumented */
  static const DWORD function_id[] = { 0xd12f26b1, 0x11d0d90a, 0xaa000d83, 0x83435b00 };
  HRESULT hRet = E_INVALIDARG;
  LPUNKNOWN lpUnkInner = NULL; /* FIXME: Real type is unknown */

  TRACE("(%p,%p,%p,%p,%p)\n", lpUnknown, lpArg1, lpArg2, lpArg3, lpArg4);

  if (lpUnknown && lpArg4)
  {
     hRet = IUnknown_QueryService(lpUnknown, (REFGUID)service_id,
                                  (REFGUID)function_id, (void**)&lpUnkInner);

     if (SUCCEEDED(hRet) && lpUnkInner)
     {
       /* FIXME: The type of service object requested is unknown, however
	* testing shows that its first method is called with 4 parameters.
	* Fake this by using IParseDisplayName_ParseDisplayName since the
	* signature and position in the vtable matches our unknown object type.
	*/
       hRet = IParseDisplayName_ParseDisplayName((LPPARSEDISPLAYNAME)lpUnkInner,
                                                 lpArg1, lpArg2, lpArg3, lpArg4);
       IUnknown_Release(lpUnkInner);
     }
  }
  return hRet;
}

/*************************************************************************
 * @    [SHLWAPI.192]
 *
 * Get a sub-menu from a menu item.
 *
 * PARAMS
 *  hMenu [I] Menu to get sub-menu from
 *  uID   [I] ID of menu item containing sub-menu
 *
 * RETURNS
 *  The sub-menu of the item, or a NULL handle if any parameters are invalid.
 */
HMENU WINAPI SHGetMenuFromID(HMENU hMenu, UINT uID)
{
  MENUITEMINFOW mi;

  TRACE("(%p,%u)\n", hMenu, uID);

  mi.cbSize = sizeof(mi);
  mi.fMask = MIIM_SUBMENU;

  if (!GetMenuItemInfoW(hMenu, uID, FALSE, &mi))
    return NULL;

  return mi.hSubMenu;
}

/*************************************************************************
 *      @	[SHLWAPI.193]
 *
 * Get the color depth of the primary display.
 *
 * PARAMS
 *  None.
 *
 * RETURNS
 *  The color depth of the primary display.
 */
DWORD WINAPI SHGetCurColorRes(void)
{
    HDC hdc;
    DWORD ret;

    TRACE("()\n");

    hdc = GetDC(0);
    ret = GetDeviceCaps(hdc, BITSPIXEL) * GetDeviceCaps(hdc, PLANES);
    ReleaseDC(0, hdc);
    return ret;
}

/*************************************************************************
 *      @	[SHLWAPI.194]
 *
 * Wait for a message to arrive, with a timeout.
 *
 * PARAMS
 *  hand      [I] Handle to query
 *  dwTimeout [I] Timeout in ticks or INFINITE to never timeout
 *
 * RETURNS
 *  STATUS_TIMEOUT if no message is received before dwTimeout ticks passes.
 *  Otherwise returns the value from MsgWaitForMultipleObjectsEx when a
 *  message is available.
 */
DWORD WINAPI SHWaitForSendMessageThread(HANDLE hand, DWORD dwTimeout)
{
  DWORD dwEndTicks = GetTickCount() + dwTimeout;
  DWORD dwRet;

  while ((dwRet = MsgWaitForMultipleObjectsEx(1, &hand, dwTimeout, QS_SENDMESSAGE, 0)) == 1)
  {
    MSG msg;

    PeekMessageW(&msg, NULL, 0, 0, PM_NOREMOVE);

    if (dwTimeout != INFINITE)
    {
        if ((int)(dwTimeout = dwEndTicks - GetTickCount()) <= 0)
            return WAIT_TIMEOUT;
    }
  }

  return dwRet;
}

/*************************************************************************
 *      @       [SHLWAPI.195]
 *
 * Determine if a shell folder can be expanded.
 *
 * PARAMS
 *  lpFolder [I] Parent folder containing the object to test.
 *  pidl     [I] Id of the object to test.
 *
 * RETURNS
 *  Success: S_OK, if the object is expandable, S_FALSE otherwise.
 *  Failure: E_INVALIDARG, if any argument is invalid.
 *
 * NOTES
 *  If the object to be tested does not expose the IQueryInfo() interface it
 *  will not be identified as an expandable folder.
 */
HRESULT WINAPI SHIsExpandableFolder(LPSHELLFOLDER lpFolder, LPCITEMIDLIST pidl)
{
  HRESULT hRet = E_INVALIDARG;
  IQueryInfo *lpInfo;

  if (lpFolder && pidl)
  {
    hRet = IShellFolder_GetUIObjectOf(lpFolder, NULL, 1, &pidl, &IID_IQueryInfo,
                                      NULL, (void**)&lpInfo);
    if (FAILED(hRet))
      hRet = S_FALSE; /* Doesn't expose IQueryInfo */
    else
    {
      DWORD dwFlags = 0;

      /* MSDN states of IQueryInfo_GetInfoFlags() that "This method is not
       * currently used". Really? You wouldn't be holding out on me would you?
       */
      hRet = IQueryInfo_GetInfoFlags(lpInfo, &dwFlags);

      if (SUCCEEDED(hRet))
      {
        /* 0x2 is an undocumented flag apparently indicating expandability */
        hRet = dwFlags & 0x2 ? S_OK : S_FALSE;
      }

      IQueryInfo_Release(lpInfo);
    }
  }
  return hRet;
}

/*************************************************************************
 *      @       [SHLWAPI.197]
 *
 * Blank out a region of text by drawing the background only.
 *
 * PARAMS
 *  hDC   [I] Device context to draw in
 *  pRect [I] Area to draw in
 *  cRef  [I] Color to draw in
 *
 * RETURNS
 *  Nothing.
 */
DWORD WINAPI SHFillRectClr(HDC hDC, LPCRECT pRect, COLORREF cRef)
{
    COLORREF cOldColor = SetBkColor(hDC, cRef);
    ExtTextOutA(hDC, 0, 0, ETO_OPAQUE, pRect, 0, 0, 0);
    SetBkColor(hDC, cOldColor);
    return 0;
}

/*************************************************************************
 *      @	[SHLWAPI.198]
 *
 * Return the value asociated with a key in a map.
 *
 * PARAMS
 *  lpKeys   [I] A list of keys of length iLen
 *  lpValues [I] A list of values associated with lpKeys, of length iLen
 *  iLen     [I] Length of both lpKeys and lpValues
 *  iKey     [I] The key value to look up in lpKeys
 *
 * RETURNS
 *  The value in lpValues associated with iKey, or -1 if iKey is not
 *  found in lpKeys.
 *
 * NOTES
 *  - If two elements in the map share the same key, this function returns
 *    the value closest to the start of the map
 *  - The native version of this function crashes if lpKeys or lpValues is NULL.
 */
int WINAPI SHSearchMapInt(const int *lpKeys, const int *lpValues, int iLen, int iKey)
{
  if (lpKeys && lpValues)
  {
    int i = 0;

    while (i < iLen)
    {
      if (lpKeys[i] == iKey)
        return lpValues[i]; /* Found */
      i++;
    }
  }
  return -1; /* Not found */
}


/*************************************************************************
 *      @	[SHLWAPI.199]
 *
 * Copy an interface pointer
 *
 * PARAMS
 *   lppDest   [O] Destination for copy
 *   lpUnknown [I] Source for copy
 *
 * RETURNS
 *  Nothing.
 */
VOID WINAPI IUnknown_Set(IUnknown **lppDest, IUnknown *lpUnknown)
{
  TRACE("(%p,%p)\n", lppDest, lpUnknown);

  if (lppDest)
    IUnknown_AtomicRelease(lppDest); /* Release existing interface */

  if (lpUnknown)
  {
    /* Copy */
    IUnknown_AddRef(lpUnknown);
    *lppDest = lpUnknown;
  }
}

/*************************************************************************
 *      @	[SHLWAPI.200]
 *
 */
HRESULT WINAPI MayQSForward(IUnknown* lpUnknown, PVOID lpReserved,
                            REFGUID riidCmdGrp, ULONG cCmds,
                            OLECMD *prgCmds, OLECMDTEXT* pCmdText)
{
  FIXME("(%p,%p,%p,%d,%p,%p) - stub\n",
        lpUnknown, lpReserved, riidCmdGrp, cCmds, prgCmds, pCmdText);

  /* FIXME: Calls IsQSForward & IUnknown_QueryStatus */
  return DRAGDROP_E_NOTREGISTERED;
}

/*************************************************************************
 *      @	[SHLWAPI.201]
 *
 */
HRESULT WINAPI MayExecForward(IUnknown* lpUnknown, INT iUnk, REFGUID pguidCmdGroup,
                           DWORD nCmdID, DWORD nCmdexecopt, VARIANT* pvaIn,
                           VARIANT* pvaOut)
{
  FIXME("(%p,%d,%p,%d,%d,%p,%p) - stub!\n", lpUnknown, iUnk, pguidCmdGroup,
        nCmdID, nCmdexecopt, pvaIn, pvaOut);
  return DRAGDROP_E_NOTREGISTERED;
}

/*************************************************************************
 *      @	[SHLWAPI.202]
 *
 */
HRESULT WINAPI IsQSForward(REFGUID pguidCmdGroup,ULONG cCmds, OLECMD *prgCmds)
{
  FIXME("(%p,%d,%p) - stub!\n", pguidCmdGroup, cCmds, prgCmds);
  return DRAGDROP_E_NOTREGISTERED;
}

/*************************************************************************
 * @	[SHLWAPI.204]
 *
 * Determine if a window is not a child of another window.
 *
 * PARAMS
 * hParent [I] Suspected parent window
 * hChild  [I] Suspected child window
 *
 * RETURNS
 * TRUE:  If hChild is a child window of hParent
 * FALSE: If hChild is not a child window of hParent, or they are equal
 */
BOOL WINAPI SHIsChildOrSelf(HWND hParent, HWND hChild)
{
  TRACE("(%p,%p)\n", hParent, hChild);

  if (!hParent || !hChild)
    return TRUE;
  else if(hParent == hChild)
    return FALSE;
  return !IsChild(hParent, hChild);
}

/*************************************************************************
 *    FDSA functions.  Manage a dynamic array of fixed size memory blocks.
 */

typedef struct
{
    DWORD num_items;       /* Number of elements inserted */
    void *mem;             /* Ptr to array */
    DWORD blocks_alloced;  /* Number of elements allocated */
    BYTE inc;              /* Number of elements to grow by when we need to expand */
    BYTE block_size;       /* Size in bytes of an element */
    BYTE flags;            /* Flags */
} FDSA_info;

#define FDSA_FLAG_INTERNAL_ALLOC 0x01 /* When set we have allocated mem internally */

/*************************************************************************
 *      @	[SHLWAPI.208]
 *
 * Initialize an FDSA arrary. 
 */
BOOL WINAPI FDSA_Initialize(DWORD block_size, DWORD inc, FDSA_info *info, void *mem,
                            DWORD init_blocks)
{
    TRACE("(0x%08x 0x%08x %p %p 0x%08x)\n", block_size, inc, info, mem, init_blocks);

    if(inc == 0)
        inc = 1;

    if(mem)
        memset(mem, 0, block_size * init_blocks);
    
    info->num_items = 0;
    info->inc = inc;
    info->mem = mem;
    info->blocks_alloced = init_blocks;
    info->block_size = block_size;
    info->flags = 0;

    return TRUE;
}

/*************************************************************************
 *      @	[SHLWAPI.209]
 *
 * Destroy an FDSA array
 */
BOOL WINAPI FDSA_Destroy(FDSA_info *info)
{
    TRACE("(%p)\n", info);

    if(info->flags & FDSA_FLAG_INTERNAL_ALLOC)
    {
        HeapFree(GetProcessHeap(), 0, info->mem);
        return FALSE;
    }

    return TRUE;
}

/*************************************************************************
 *      @	[SHLWAPI.210]
 *
 * Insert element into an FDSA array
 */
DWORD WINAPI FDSA_InsertItem(FDSA_info *info, DWORD where, const void *block)
{
    TRACE("(%p 0x%08x %p)\n", info, where, block);
    if(where > info->num_items)
        where = info->num_items;

    if(info->num_items >= info->blocks_alloced)
    {
        DWORD size = (info->blocks_alloced + info->inc) * info->block_size;
        if(info->flags & 0x1)
            info->mem = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, info->mem, size);
        else
        {
            void *old_mem = info->mem;
            info->mem = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
            memcpy(info->mem, old_mem, info->blocks_alloced * info->block_size);
        }
        info->blocks_alloced += info->inc;
        info->flags |= 0x1;
    }

    if(where < info->num_items)
    {
        memmove((char*)info->mem + (where + 1) * info->block_size,
                (char*)info->mem + where * info->block_size,
                (info->num_items - where) * info->block_size);
    }
    memcpy((char*)info->mem + where * info->block_size, block, info->block_size);

    info->num_items++;
    return where;
}

/*************************************************************************
 *      @	[SHLWAPI.211]
 *
 * Delete an element from an FDSA array.
 */
BOOL WINAPI FDSA_DeleteItem(FDSA_info *info, DWORD where)
{
    TRACE("(%p 0x%08x)\n", info, where);

    if(where >= info->num_items)